Average Co-Inventor Count = 1.58
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Sumitomo Heavy Industries, Ltd. (4 from 1,176 patents)
4 patents:
1. 12146559 - Bending meshing type gear device
2. 11649887 - Gear device
3. 11585422 - Bending meshing type gear device
4. 11085509 - Bending meshing type gear device